无所谓的英文：not to matter。
解释：
not to matter
[词典] 无所谓;
[例句]The discrepancy in their ages seemed not to matter.
他们之间年龄的差异似乎无所谓。
Actually very cares about, but still pretend not to matter.
明明很在乎，却装作无所谓。
In theory, dividends ought not to matter to shareholders, who own the moneywhether it is retained in the company or paid out, except to the extent that it affectstheir tax position.
从理论上讲，股息对股东来说应该没有太大意义，因为不管是留在公司、还是通过股息发放到股东手中，股东都拥有这笔资金除非这会影响到他们纳税状况。
Tyrion slept and woke and slept again, and day and night seemed not to matter.
提利昂在睡梦与清醒不断交替中觉得日夜也不那么重要了。
Incompe-tent management seems not to matter, the ship goes on sailing.
管理阶层称职与否似乎无所谓，船照旧航行。